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HPV Vitamin A

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https://www.readbyqxmd.com/read/29765171/risks-and-protective-factors-for-triple-negative-breast-cancer-with-a-focus-on-micronutrients-and-infections
#1
Dagmar Horakova, Katerina Bouchalova, Karel Cwiertka, Ladislav Stepanek, Jana Vlckova, Helena Kollarova
Triple negative breast cancer (TNBC) is an aggressive form of breast cancer (BC) with a poor prognosis. Second, patients cannot benefit from targeted therapy, except for those with BRCA1/2 mutations, for whom poly (ADP-ribose) polymerase (PARP) inhibition therapy using olaparib has recently been approved. As global priorities continue to be epidemiological analysis of BC risk factors and early diagnosis, this review focuses on the risks and protective factors associated with TNBC. A PubMed keyword search for new knowledge on the risks and protective factors for TNBC was carried out...
May 15, 2018: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29732937/factors-of-the-epidemiological-triad-that-influence-the-persistence-of-human-papilloma-virus-infection-in-women-with-systemic-lupus-erythematosus
#2
S Méndez-Martínez, M García-Carrasco, E A Jiménez-Herrera, C Mendoza-Pinto, I Etchegaray-Morales, P W Barahona-Rubio, J L Gálvez-Romero, P Munguía-Realpozo, C O Muñóz-Guarneros, M L Cedillo-Ramírez, S E Silva-Gómez, G Linares-Fleites, A Rojas-Vallaraga
We studied the epidemiologic triad-related factors influencing human papilloma virus (HPV) persistence in Mexican women with systemic lupus erythematosus (SLE). Patients aged ≥18 years with SLE (American College of Rheumatology criteria), with and without HPV persistence, were selected. Groups were analyzed by (1) host: clinical disease characteristics; (2) agent: (I) infectious (prevalence, incidence, HPV genotype and co-infections (≥2 HPV genotypes or mycoplasmas)), (II) chemical (contraceptives and immunosuppressive drugs) and (III) physical (vitamin D deficiency) and (3) environment...
January 1, 2018: Lupus
https://www.readbyqxmd.com/read/29546304/folate-deficiency-facilitates-genomic-integration-of-human-papillomavirus-type-16-dna-in-vivo-in-a-novel-mouse-model-for-rapid-oncogenic-transformation-of-human-keratinocytes
#3
Suhong Xiao, Ying-Sheng Tang, Praveen Kusumanchi, Sally P Stabler, Ying Zhang, Asok C Antony
Background: Epidemiologic and in vitro studies suggest independent linkages between poor folate and/or vitamin B-12 nutrition, genomic human papillomavirus (HPV) type 16 viral integration, and cancer. However, there is no direct evidence in vivo to support the causative role of poor folate nutrition in HPV16 integration into the cellular genome. Objective: We tested the hypothesis that folate deficiency enables the integration of HPV16 into the genome of HPV16-harboring keratinocytes, and could thereby influence earlier transformation of these cells to cancer in an animal model...
March 1, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29073129/receipt-of-selected-preventive-health-services-for-women-and-men-of-reproductive-age-united-states-2011-2013
#4
Karen Pazol, Cheryl L Robbins, Lindsey I Black, Katherine A Ahrens, Kimberly Daniels, Anjani Chandra, Anjel Vahratian, Lorrie E Gavin
PROBLEM/CONDITION: Receipt of key preventive health services among women and men of reproductive age (i.e., 15-44 years) can help them achieve their desired number and spacing of healthy children and improve their overall health. The 2014 publication Providing Quality Family Planning Services: Recommendations of CDC and the U.S. Office of Population Affairs (QFP) establishes standards for providing a core set of preventive services to promote these goals. These services include contraceptive care for persons seeking to prevent or delay pregnancy, pregnancy testing and counseling, basic infertility services for those seeking to achieve pregnancy, sexually transmitted disease (STD) services, and other preconception care and related preventive health services...
October 27, 2017: MMWR. Surveillance Summaries: Morbidity and Mortality Weekly Report. Surveillance Summaries
https://www.readbyqxmd.com/read/28486774/dietary-intake-of-selected-nutrients-and-persistence-of-hpv-infection-in-men
#5
MULTICENTER STUDY
Raíssa do Vale C Lopes, Juliana A Teixeira, Dirce Marchioni, Luisa L Villa, Anna R Giuliano, Maria Luiza Baggio, Regina M Fisberg
Human papillomavirus (HPV) infection is a common sexually transmitted disease. Although often transitory, persistent oncogenic HPV infection may progress to a precursor lesion and, if not treated, can further increase the risk of cancer. The purpose of this study was to investigate the relation between dietary intake and HPV persistent infection in men of a Brazilian cohort. The study population consisted of 1,248 men from the Brazilian cohort of the HIM (HPV in Men) Study, ages 18 to 70 years, who completed a quantitative food frequency questionnaire...
August 15, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28471122/could-25-oh-vitamin-d-deficiency-be-a-reason-for-hpv-infection-persistence-in-cervical-premalignant-lesions
#6
Emre Özgü, Nafiye Yılmaz, Eralp Başer, Tayfun Güngör, Salim Erkaya, Halil İbrahim Yakut
Vitamin D is an essential precursor to the steroid hormone calcitriol which mainly regulates calcium homeostasis. Moreover anti- proliferative, pro- apoptotic, anti- angiogenic effects of Vitamin D support the ideas of preventive role in various cancer. This study aimed to determine if there is a relationship between HPVDNA infection and cervical intraepithelial neoplasia and Vitamin D deficiency. As a result of the study the difference of 25-OH Vitamin D3 levels between HPVDNA positive group and the control group were statistically significant (p=0,009)...
July 2016: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/27730031/evolving-role-of-immunotherapy-in-the-treatment-of-refractory-warts
#7
REVIEW
Devinder M Thappa, Minu J Chiramel
Cutaneous and genital warts are common dermatological conditions caused by the human papilloma virus (HPV). Although it is a benign condition, it causes disfigurement, has a tendency to koebnerize, and can be transmitted to others. This makes adequate and timely treatment important. There are several conventional treatments available with variable response. Topical and systemic immunotherapy has now found a significant place in the treatment of warts because of its nondestructive action, ease of use, and promising results...
September 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27588159/worldwide-cutaneous-malignant-melanoma-incidences-analyzed-by-sex-age-and-skin-type-over-time-1955-2007-is-hpv-infection-of-androgenic-hair-follicular-melanocytes-a-risk-factor-for-developing-melanoma-exclusively-in-people-of-european-ancestry
#8
Stephen J Merrill, Madhan Subramanian, Dianne E Godar
The cutaneous malignant melanoma (CMM) incidence has been increasing in an exponential manner in certain populations around the world for over 7 decades. To help illuminate the etiology, we performed worldwide temporal (1955-2007) CMM incidence analysis by sex, age (0-14, 15-29, 30-49, 50-69, 70-85+), and skin type on 6 continents using data from the International Agency for Research on Cancer. We observe an exponential increase in the CMM incidence over time and an increase of about 2 orders of magnitude between age groups 0-14 and 15-29 exclusively in European-ancestry populations around the world independent of skin type (I-III or III-IV)...
January 2016: Dermato-endocrinology
https://www.readbyqxmd.com/read/27244952/optimal-dose-of-vitamin-d3-400-i-u-for-average-adults-has-a-significant-anti-cancer-effect-while-widely-used-2000-i-u-or-higher-promotes-cancer-marked-reduction-of-taurine-1%C3%AE-25-oh-2d3-was-found-in-various-cancer-tissues-and-oral-intake-of-optimal-dose-of-taurine
#9
Yoshiaki Omura, Dominic Lu, Marilyn K Jones, Abdallah Nihrane, Harsha Duvvi, Dario Yapor, Yasuhiro Shimotsuura, Motomu Ohki
During the past 10 years, the author had found that the optimal dose of Vitamin D3 400 I.U. has safe & effective anticancer effects, while commonly used 2000-5000 I.U. of Vit. D3 often creates a 2-3 time increase in cancer markers. We examined the concentration of Taurine in normal internal organs and in cancer using Bi-Digital O-Ring Test. We found that Taurine levels in normal tissue are 4-6ng. But, the amount of Taurine of average normal value of 5.0-5.25ng was strikingly reduced to 0.0025-0.0028ng in this study of several examples in adenocarcinomas of the esophagus, stomach, pancreas, colon, prostate, and lung, as well as breast cancer...
2016: Acupuncture & Electro-therapeutics Research
https://www.readbyqxmd.com/read/27207583/decreased-rar%C3%AE-expression-induces-abundant-inflammation-and-cervical-precancerous-lesions
#10
M E Albino-Sanchez, J Vazquez-Hernandez, R Ocadiz-Delgado, N Serafin-Higuera, I León-Galicia, E Garcia-Villa, R Hernandez-Pando, P Gariglio
It is well known that vitamin A and its receptors protect against cancer development and that Retinoid Acid Receptor β (RARβ) is epigenetically silenced during tumoral progression. Cervical Cancer (CC) has been causally linked to high risk human papillomavirus (HR-HPV) infection. However, host factors are important in determining the outcome of persistent HR-HPV infection as most cervical precancerous lesions containing HR-HPVs do not progress to invasive carcinomas. Increasing evidence suggests that low diet in vitamin A and their receptors participate in the development of CC...
August 1, 2016: Experimental Cell Research
https://www.readbyqxmd.com/read/27091196/vitamin-k3-induces-antiproliferative-effect-in-cervical-epithelial-cells-transformed-by-hpv-16-siha-cells-through-the-increase-in-reactive-oxygen-species-production
#11
Natália de Carvalho Scharf Santana, Natália Alves Lima, Vânia Cristina Desoti, Danielle Lazarin Bidóia, Patrícia de Souza Bonfim Mendonça, Bianca Altrão Ratti, Tânia Ueda Nakamura, Celso Vataru Nakamura, Marcia Edilaine Lopes Consolaro, Valdecir Farias Ximenes, Sueli de Oliveira Silva
PURPOSE: Cervical cancer is characterized as an important public health problem. According to latest estimates, cancer of the cervix is the fourth most common cancer among women. Due to its high prevalence, the search for new and efficient drugs to treat this infection is continuous. The progression of HPV-associated cervical cancer involves the expression of two viral proteins, E6 and E7, which are rapidly degraded by the ubiquitin-proteasome system through the increase in reactive oxygen species generation...
October 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/26946790/-2015-literature-findings-in-general-internal-medicine
#12
REVIEW
David Barras, Élodie Saillen, Éric Mercier, Sophie Zürcher, Alexandre Gouveia, André Liaudet, Sophie Guinand, Olivier Pasche, Roane Keller, Patrick Bodenmann
Benzodiazepines are associated with the risk of developing Alzheimer's disease. Systematic dosage and vitamin D substitution have no place in times of immediate post-menopause. Topical placebos challenge analgesics in the treatment of knee osteoarthritis. Palliative chemotherapy does not improve life-quality at the end of life. Restrictive transfusion thresholds entail no risk. Spirometry should always be performed before the initiation of a long-term bronchodilator therapy. Practitioners continue to overprescribe antibiotics for infections of the upper respiratory tract...
January 20, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/26878091/longitudinal-biobanks-based-study-on-the-joint-effects-of-infections-nutrition-and-hormones-on-risk-of-prostate-cancer
#13
MULTICENTER STUDY
Sonja Lumme, Leena Tenkanen, Hilde Langseth, Randi Gislefoss, Matti Hakama, Pär Stattin, Göran Hallmans, Herman Adlercreutz, Pekka Saikku, Ulf-Håkan Stenman, Pentti Tuohimaa, Tapio Luostarinen, Joakim Dillner
Background To evaluate the individual and combined effects of enterolactone, vitamin D, free testosterone, Chlamydia trachomatis and HPV-18 on the risk of prostate cancer in a large population-based biochemical material that combined three Nordic serum sample banks. Material and methods A joint cohort of 209 000 healthy men was followed using cancer registry linkages. From this cohort altogether 699 incident cases of prostate cancer were identified. Four controls were selected by incidence density sampling and matching for country, age and date of the blood sampling...
July 2016: Acta Oncologica
https://www.readbyqxmd.com/read/26827959/metabolism-and-action-of-25-hydroxy-19-nor-vitamin-d%C3%A2-in-human-prostate-cells
#14
REVIEW
Eiji Munetsuna, Atsushi Kittaka, Tai C Chen, Toshiyuki Sakaki
Since the discovery of 1α,25(OH)2D3 in the early 1970s, it has been widely accepted that this metabolite is responsible for the biological actions of vitamin D. Likewise, we have assumed that 25(OH)-19-nor-D3-dependent growth inhibition of human prostate PZ-HPV-7 cells was the result of its subsequent conversion to 1α,25(OH)2-19-nor-D3, catalyzed by CYP27B1 within the prostate cells. However, further in vitro studies in a reconstituted system using recombinant CYP27B1 revealed that 25(OH)-19-nor-D3 was hardly converted to 1α,25(OH)2-19-nor-D3 by the enzyme...
2016: Vitamins and Hormones
https://www.readbyqxmd.com/read/26413188/exponentially-increasing-incidences-of-cutaneous-malignant-melanoma-in-europe-correlate-with-low-personal-annual-uv-doses-and-suggests-2-major-risk-factors
#15
Stephen J Merrill, Samira Ashrafi, Madhan Subramanian, Dianne E Godar
For several decades the incidence of cutaneous malignant melanoma (CMM) steadily increased in fair-skinned, indoor-working people around the world. Scientists think poor tanning ability resulting in sunburns initiate CMM, but they do not understand why the incidence continues to increase despite the increased use of sunscreens and formulations offering more protection. This paradox, along with lower incidences of CMM in outdoor workers, although they have significantly higher annual UV doses than indoor workers have, perplexes scientists...
January 2015: Dermato-endocrinology
https://www.readbyqxmd.com/read/25834528/feasibility-of-delivering-hpv-vaccine-to-girls-aged-10-to-15-years-in-uganda
#16
Emmanuel Mugisha, D Scott LaMontagne, Anne R Katahoire, Daniel Murokora, Edward Kumakech, Rachel Seruyange, Vivien Davis Tsu
BACKGROUND: Cervical cancer is a leading cause of mortality among women in Uganda. The availability of the human papillomavirus (HPV) vaccine presents an opportunity to prevent cervical cancer. The Government of Uganda conducted a demonstration project exploring the feasibility of two delivery strategies. OBJECTIVE: To explore the feasibility of two HPV vaccine delivery strategies: 1) a stand-alone school-based strategy that selected girls based on their enrolment in grade 5 (known as the "grade-based" strategy; and 2) an age-based strategy that delivered the HPV vaccine based on the girls' age (10-year-olds)...
March 2015: African Health Sciences
https://www.readbyqxmd.com/read/25712051/fenretinide-perturbs-focal-adhesion-kinase-in-premalignant-and-malignant-human-oral-keratinocytes-fenretinide-s-chemopreventive-mechanisms-include-ecm-interactions
#17
Byungdo B Han, Suyang Li, Meng Tong, Andrew S Holpuch, Richard Spinney, Daren Wang, Michael B Border, Zhongfa Liu, Sachin Sarode, Ping Pei, Steven P Schwendeman, Susan R Mallery
The membrane-associated protein, focal adhesion kinase (FAK), modulates cell-extracellular matrix interactions and also conveys prosurvival and proliferative signals. Notably, increased intraepithelial FAK levels accompany transformation of premalignant oral intraepithelial neoplasia (OIN) to oral squamous cell carcinoma (OSCC). OIN chemoprevention is a patient-centric, optimal strategy to prevent OSCC's comorbidities and mortality. The cancer chemopreventive and synthetic vitamin A derivative, fenretinide, has demonstrated protein-binding capacities, for example, mTOR- and retinol-binding protein interactions...
May 2015: Cancer Prevention Research
https://www.readbyqxmd.com/read/25547101/is-there-a-role-for-antioxidants-in-the-prevention-of-infection-associated-carcinogenesis-and-in-the-treatment-of-infection-driven-tumors
#18
Chiara De Luca, Zaira Kharaeva, Liudmila Korkina
Causative connections between infections and cancer are ascertained for several types of viruses, bacteria, and parasites. The mechanisms of cancer induction in chronically infected inflamed tissues strongly implicate oxygen- and nitrogen-centered reactive species, and an impairment of redox-sensitive molecular pathways involved in the tumorigenic transformation, tumor growth, altered immune defense, and in the mechanisms of tumor cell death and survival. Here, we briefly reviewed mechanistic data on carcinogenesis and tumor progression of three major infection-associated tumors, human papillomavirus-induced cervical cancer, hepatitis B virus-positive hepatocarcinoma, and Helicobacter pylori-positive gastric cancer...
December 29, 2014: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/25496269/is-there-a-role-for-antioxidants-in-the-prevention-of-infection-associated-carcinogenesis-and-in-the-treatment-of-infection-driven-tumors
#19
Chiara De Luca, Zaira Kharaeva, Liudmila Korkina
Causative connections between infections and cancer are ascertained for several types of viruses, bacteria, and parasites. The mechanisms of cancer induction in chronically infected inflamed tissues strongly implicate oxygen- and nitrogen-centered reactive species, and an impairment of redox-sensitive molecular pathways involved in the tumorigenic transformation, tumor growth, altered immune defense, and in the mechanisms of tumor cell death and survival. Here, we briefly reviewed mechanistic data on carcinogenesis and tumor progression of three major infection-associated tumors, human papillomavirus-induced cervical cancer, hepatitis B virus-positive hepatocarcinoma, and Helicobacter pylori-positive gastric cancer...
2015: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/25447808/pathophysiology-of-ocular-surface-squamous-neoplasia
#20
REVIEW
Stephen Gichuhi, Shin-ichi Ohnuma, Mandeep S Sagoo, Matthew J Burton
The incidence of ocular surface squamous neoplasia (OSSN) is strongly associated with solar ultraviolet (UV) radiation, HIV and human papilloma virus (HPV). Africa has the highest incidence rates in the world. Most lesions occur at the limbus within the interpalpebral fissure particularly the nasal sector. The nasal limbus receives the highest intensity of sunlight. Limbal epithelial crypts are concentrated nasally and contain niches of limbal epithelial stem cells in the basal layer. It is possible that these are the progenitor cells in OSSN...
December 2014: Experimental Eye Research
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